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level: 2.3 Energy and ATP

Questions and Answers List

level questions: 2.3 Energy and ATP

QuestionAnswer
What is ATP- Nucleotide - Adenosine triphosphate - Phosphorylated macromolecule
Structure of ATP- Ribose - Phosphates - Adenine
Properties of ATP- Bonds between phosphate groups are unstable and are easily broken, so have low activation energy
What ATP does- Its an immediate energy source - Not a good long-term energy store
Detailed function of ATP- Releases small amounts of energy - So there's a controlled release of energy - No excess energy released
Some roles of ATP in cells- Metabolic processes - Movement, energy for muscle contraction - Active transport
How ATP stores energy- When bonds break they release a large amount of energy - Hydrolysis is used to convert ATP to ADP (adenosine diphosphate) and also forms an inorganic phosphate - Single hydrolysis reaction - This reaction is catalysed by ATP hydrolase
Synthesis of ATP- The reaction of converting ATP into ADP is a reversible reaction - This reversible reaction involves condensation catalysed by the enzyme ATP synthase